Region F Freese and Nichols, Inc.

Water Planning Group LBG-Guyton Associates, Inc.

1-1

1. DESCRIPTION OF REGION

In 1997, the 75th

The TWDB refers to the current round of regional planning as SB1, Third Round. This

report is the update to the 2006 Region F Water Plan and will become part of the basis for the

next state water plan.

Texas Legislature passed Senate Bill One (SB1), legislation designed to

address Texas water issues. With the future passage of SB1, the legislature put in place a grass-

roots regional planning process to plan for the future water needs of all Texans. To implement

this planning process, the Texas Water Development Board (TWDB) created 16 regional water

planning groups across the state and established regulations governing regional planning efforts.

The first 16 Regional Water Plans developed as part of the SB1 planning process were submitted

to the TWDB in 2001. The TWDB combined these regional plans into one statewide plan. SB1

calls for these plans to be updated every five years. Since 2001, the regional water plans were

updated in 2006 and consolidated into the current state water plan, Water for Texas 2007.

This chapter presents a description of Region F, one of the 16 regions created to implement

SB1. Figure 1.1-1 is a map of Region F, which includes 32 counties in West Texas. The data

presented in this regional water plan is a compilation of information from previous planning

reports, on-going planning efforts and new data. A list of references is found at the end of this

chapter, and a bibliography is included in Appendix 1A.

1.1 Introduction to Region F Region F includes all of Borden, Scurry, Andrews, Martin, Howard, Mitchell, Loving,

Winkler, Ector, Midland, Glasscock, Sterling, Coke, Runnels, Coleman, Brown, Reeves, Ward,

Crane, Upton, Reagan, Irion, Tom Green, Concho, McCulloch, Pecos, Crockett, Schleicher,

Menard, Sutton, Kimble and Mason Counties. Table 1.1-1 shows historical populations for these

§̈¦10

§̈¦20

tu87

MITCHELL COUNTYRESERVOIR

NATURAL DAM LAKE

PECOS

REEVES

CROCKETT

IRION

UPTON

SUTTON

COKE

KIMBLE

ANDREWS

WARD REAGAN

ECTOR

COLEMAN

TOM GREEN

MASON

BROWN

MARTIN

CONCHO

CRANE

RUNNELS

SCURRY

BORDEN

MENARD

SCHLEICHER

HOWARD

MIDLAND

STERLINGWINKLER

MITCHELL

LOVING

McCULLOCH

GLASSCOCK

Colorado River

Pecos Riv er

San Saba River

Brady Creek

Llano RiverBeals Creek

Pecan Bayou

North Concho River

Devils Rive

r

Concho River

Jim Ned Creek

Dov

e Cre

ek

Mid dle Concho River

Valley Creek

Oak Creek

Salt

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Pecan Creek

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James

Rive

r

C olorado River

Pecos River

Midland

San Angelo

Odessa

Big Spring

Monahans

O H IVIE RESERVOIR

LAKE J B THOMAS

RED BLUFF RESERVOIR

TWIN BUTTES RESERVOIR

LAKE BROWNWOOD

O C FISHER LAKE

E V SPENCE RESERVOIR

LAKE COLEMAN

LAKE NASWORTHY

BRADY CREEK RESERVOIR

CHAMPION CREEK RESERVOIR

LAKE COLORADO CITY

OAK CREEK RESERVOIR

LAKE BALLINGER

HORDS CREEK LAKE

LAKE BALMORHEA

LAKE WINTERS

oArea of Enlargement

New MexicoTexas

Texas

Mexico10 0 10 20 30

Miles

Counties

CitiesInterstate

Legend

Lakes/Reservoirs

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Streams and Rivers

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1-3

Table 1.1-1 Historical Population of Region F Counties

County 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2006

Andrews 87 975 350 736 1,277 5,002 13,450 10,372 13,323 14,338 13,004 13,154 Borden 776 1,386 965 1,505 1,396 1,106 1,076 888 859 799 729 710 Brown 16,019 22,935 21,682 26,382 25,924 28,607 24,728 25,877 33,057 34,371 37,674 38,617 Coke 3,430 6,412 4,557 5,253 4,590 4,045 3,589 3,087 3,196 3,424 3,864 3,897 Coleman 10,077 22,618 18,805 23,669 20,571 15,503 12,458 10,288 10,439 9,710 9,235 8,860 Concho 1,427 6,654 5,847 7,645 6,192 5,078 3,672 2,937 2,915 3,044 3,966 3,801 Crane 51 331 37 2,221 2,841 3,965 4,699 4,172 4,600 4,652 3,996 3,854 Crockett 1,591 1,296 1,500 2,590 2,809 3,981 4,209 3,885 4,608 4,078 4,099 3,986 Ector 381 1,178 760 3,958 15,051 42,102 90,995 91,805 115,374 118,934 121,123 127,212 Glasscock 286 1,143 555 1,263 1,193 1,089 1,118 1,155 1,304 1,447 1,406 1,241 Howard 2,528 8,881 6,962 22,888 20,990 26,722 40,139 37,796 33,142 32,343 33,627 32,918 Irion 848 1,283 1,610 2,049 1,963 1,590 1,183 1,070 1,386 1,629 1,771 1,748 Kimble 2,503 3,261 3,581 4,119 5,064 4,619 3,943 3,904 4,063 4,122 4,468 4,612 Loving 33 249 82 195 285 227 226 164 91 107 67 60 Martin 332 1,549 1,146 5,785 5,556 5,541 5,068 4,774 4,684 4,956 4,746 8,113 Mason 5,573 5,683 4,824 5,511 5,378 4,945 3,780 3,356 3,683 3,423 3,738 4,820 McCulloch 3,960 13,405 11,020 13,883 13,208 11,701 8,815 8,571 8,735 8,778 8,205 3,719 Menard 2,011 2,707 3,162 4,447 4,521 4,175 2,964 2,646 2,346 2,252 2,360 2,297 Midland 1,741 3,464 2,449 8,005 11,721 25,785 67,717 65,433 82,636 106,611 116,009 124,383 Mitchell 2,855 8,956 7,527 14,183 12,477 14,357 11,255 9,073 9,088 8,016 9,698 9,596 Pecos 2,360 c 2,071 3,857 7,812 8,185 9,939 11,957 13,748 14,618 14,675 16,809 16,422 Reagan b 392 377 3,026 1,997 3,127 3,782 3,239 4,135 4,514 3,326 3,041 Reeves 1,847 4,392 4,457 6,407 8,006 11,745 17,644 16,526 15,801 15,852 13,137 11,606 Runnels 5,379 20,858 17,074 21,821 18,903 16,771 15,016 12,108 11,872 11,294 11,495 11,020 Schleicher 515 1,893 1,851 3,166 3,083 2,852 2,791 2,277 2,820 2,990 2,935 2,911 Scurry 4,158 10,924 9,003 12,188 11,545 22,779 20,369 15,760 18,192 18,634 16,361 15,895 Sterling 1,127 1,493 1,053 1,431 1,404 1,282 1,177 1,056 1,206 1,438 1,393 1,223 Sutton 1,727 1,569 1,598 2,807 3,977 3,746 3,738 3,175 5,130 4,135 4,077 4,205 Tom Green 6,804 b 17,882 15,210 36,033 39,302 58,929 64,630 71,047 84,784 98,458 104,010 103,123 Upton 48 501 253 5,968 4,297 5,307 6,239 4,697 4,619 4,447 3,404 3,169 Ward 1,451 2,389 2,615 4,599 9,575 13,346 14,917 13,019 13,976 13,115 10,909 10,369 Winkler 60 442 81 6,784 6,141 10,064 13,652 9,640 9,944 8,626 7,173 6,805 Region F Total 81,985 179,172 154,850 268,329 279,422 370,027 480,996 457,545 526,626 565,212 578,814 587,387 % Change 119% -14% 73% 4% 32% 30% -5% 15% 7% 2% 1%

Notes: a. Population data are from the U.S. Bureau of Census b. Reagan County was formed from part of Tom Green County in 1903 c. Terrell County was formed from part of Pecos County in 1905.

Chapter 1 Description of Region Region F November 2010

1-4

counties from 1900 through 2006.1 Figure 1.1-2 shows graphically the total population of the

region. The population of Region F has increased from 81,985 in 1900 to 587,387 in 2006.

Since 1940, the region’s population has increased at a compounded rate of 1.1 percent per year.

Figure 1.1-2

Historical Population of Region F

According to the 2000 census, Region F accounted for 3.0 percent of Texas’ total population.

Figure 1.1-3 shows the distribution of population in Region F counties based on the census data.

Ector, Midland, and Tom Green were the three most populous counties in Region F, accounting

for 59 percent of the region’s population. Brown and Howard Counties were the next most

populous counties with more than 30,000 people in each. Table 1.1-2 lists the six cities in

Region F with a year 2006 population of more than 10,000. These cities included 57 percent of

the population in Region F.

0

100,000

200,000

300,000

400,000

500,000

600,000

700,000

1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2006

Popu

latio

n

Year

Pecos

Reeves

Crockett

Irion

Sutton

Upton

Kimble

Coke

Andrews

Ector

WardReagan

BrownColeman

Tom Green

Mason

Martin

CraneConcho

Scurry

Runnels

Schleicher

Borden

Menard

Sterling

Howard

MidlandWinkler

Mitchell

McCulloch

Loving Glasscock

FN JOB NOC

MD

07215FILER

egionF_Population.mxd

DATE

SCALE1:2,421,500

DESIGNEDBM

EDRAFTED

BME FIGURE

1.1-34055 International Plaza, Suite 200Fort Worth, TX 76109 - 4895Phone - (817) 735 - 7300

Region FPopulation Distribution by County

(2006)January 4, 2010

/ Area of Enlargement

10 0 10 20 30Miles

o

Legend

10,001 - 30,000

60,001 - 130,000

0 - 10,000

30,001 - 60,000

Population (2006)

Chapter 1 Description of Region Region F November 2010

1-6

Table 1.1-2 Region F Cities with a Year 2006 Population Greater than 10,000

City Year 2006

Population

Midland 100,193 Odessa 94,089

San Angelo 87,212 Big Spring 25,179

Brownwood 19,694 Snyder 10,493 Total 336,860

Data are from the State Date Center9.

1.1.1 Economic Activity in Region F

Region F includes the Midland, Odessa, and San Angelo Metropolitan Statistical Areas

(MSAs). The largest employment sector in the Midland MSA is the service industry, followed

by wholesale and retail trade and the oil and gas industry. In the Odessa and San Angelo MSAs

the largest employment sectors are wholesale and retail trade, services, and manufacturing.2

Table 1.1-3 summarizes 2007 payroll data for Region F by county and economic sector. (Data

for certain payroll categories are only available on a state-wide basis and are not broken down by

counties.)

Figure 1.1-4 shows the geographic distribution of total payroll in Region F. This figure

shows that Ector, Midland and Tom Green Counties are the primary centers of economic activity

in the region. These three counties account for 78 percent of the payroll and 71 percent of the

employment in the region. Other major centers of economic activity are located in Brown and

Howard Counties. The largest business sectors in Region F in terms of payroll in 2007 are

healthcare and social assistance, mining and manufacturing, which together account for 43

percent of the region’s total payroll.

1-7

Table 1.1-3 2007 County Payroll by Category ($1000)

Category Andrews Borden Brown Coke Coleman Concho Crane Crockett Forestry, Fishing, Hunting, and Agricultural Support (N) (N) (D) (D) (D) (N) (N) (D) Mining 51,169 (N) (D) 729 696 (D) 26,616 6,960 Utilities (D) (N) 3,392 (D) (D) (D) (N) D Construction 14,972 (N) 20,825 586 (D) 160 1,873 3,345 Manufacturing (D) (N) 124,654 (D) 2,023 (D) (D) (D) Wholesale Trade 7,259 (N) 11,718 (D) 1,765 256 847 957 Retail Trade 7,850 (D) 43,541 1,263 4,155 1,180 2,528 4,300 Transportation and Warehousing 7,790 (N) 6,361 (D) 778 (N) 4,405 992 Information 920 (N) 8,155 (D) 1,036 (D) (N) (D) Finance and Insurance 7,046 (N) 14,005 906 3,333 (D) 345 (D) Real Estate, Rental, and Leasing 5,425 (N) 2,641 (N) 423 (D) (N) (D) Professional, Scientific and Technical Services 2,371 (D) 4,871 150 708 (D) (D) 348 Management of Companies and Enterprises (N) (N) 3,139 (N) (D) (N) (N) (D) Admin, Support, Waste Mgmt, Remediation Services (D) (N) 5,328 (D) (D) (D) (D) (D) Educational Services (D) (D) (D) (N) (D) (N) (D) (N) Health Care & Social Assistance (D) (N) 74,221 (N) 9,065 2,654 4,564 524 Arts, Entertainment, & Recreation (D) (N) 1,203 (D) (D) (D) (D) 104 Accommodation & Food Services 3,273 (N) 13,871 275 1,377 865 211 1,908 Other Services 10,953 (N) 11,880 382 1,118 (D) (D) 402 Total Payroll 119,028 (D) 349,805 4,291 26,477 5,115 41,389 19,840 Total Employees 4,081 (N) 13,287 413 1,607 674 1,002 928

1-8

Table 1.1-3 (cont.) 2007 County Payroll by Category ($1000) Category Ector Glasscock Howard Irion Kimble Loving Martin Mason

Forestry, Fishing, Hunting, and Agricultural Support (D) 880 (D) (D) (N) (N) (D) (D) Mining 256,212 (D) 38,893 939 (D) (N) 5,333 (D) Utilities 10,915 (N) 4,871 (N) (D) (N) (N) (D) Construction 275,054 (D) 17,578 1,325 3,683 (N) (D) 1,291 Manufacturing 217,893 (D) 46,569 (N) 7,116 (N) (N) (D) Wholesale Trade 264,324 (D) 10,650 (D) D (N) (D) (D) Retail Trade 175,007 (D) 29,034 (D) 4,613 (N) 2,833 2,285 Transportation and Warehousing 72,211 (N) 1,677 (D) (D) (N) (D) 594 Information (D) (N) 3,560 (D) 213 (N) (D) (D) Finance and Insurance 50,297 (D) 12,905 (D) (D) (N) 779 3,169 Real Estate, Rental, and Leasing 69,772 (N) 3,396 (N) 122 (N) (N) (D) Professional, Scientific and Technical Services 91,438 (D) 10,741 174 369 (N) (D) 860 Management of Companies and Enterprises 23,241 (N) (D) (D) (D) (N) (N) (N) Admin, Support, Waste Mgmt, Remediation Services 62,906 (N) (D) (D) (D) (N) 94 112 Educational Services 3,032 (D) (D) (N) (D) (N) D (N) Health Care & Social Assistance 255,162 (N) 92,601 (D) (D) (N) 4,651 2,925 Arts, Entertainment, & Recreation 5,886 (N) 782 (D) 65 (N) (D) (D) Accommodation & Food Services 59,907 (N) 10,315 (D) 2,197 (D) (D) 1,423 Other Services 75,584 (D) 8,469 (D) 835 (N) 809 643 Total Payroll 1,968,841 880 292,041 2,438 19,213 (D) 14,499 13,302 Total Employees 50,942 118 9,705 398 1,177 (N) 931 844

1-9

Table 1.1-3 (cont.) 2007 County Payroll by Category ($1000) Category McCulloch Menard Midland Mitchell Pecos Reagan Reeves Runnels

Forestry, Fishing, Hunting, and Agricultural Support (D) (N) (D) 463 (D) (N) (D) (D) Mining (D) (N) 756,637 2,820 13,538 19,767 12,207 3,600 Utilities (D) (D) 33,544 (D) 1,334 (D) 2,227 (D) Construction 2,006 521 167,541 553 5,255 3,537 (D) 2,074 Manufacturing (D) D 90,954 D (D) (N) 365 22,714 Wholesale Trade 689 D 193,750 305 (D) 1,353 554 2,099 Retail Trade 8,854 807 185,485 4,890 13,073 1,713 10,282 11,797 Transportation and Warehousing 1,690 (N) 71,963 3,815 8,635 (D) 2,004 1,815 Information (D) (D) 47,567 409 D (D) 1,015 371 Finance and Insurance 2,952 (D) 94,009 1,454 3,743 314 (D) 3,399 Real Estate, Rental, and Leasing (D) (D) 70,482 (D) 624 (D) 262 (D) Professional, Scientific and Technical Services 2,395 (D) 181,036 699 3,538 98 635 (D) Management of Companies and Enterprises (D) (D) 119,566 (N) (N) (N) (D) (D) Admin, Support, Waste Mgmt, Remediation Services 573 (D) 72,422 (D) (D) (N) (D) 498 Educational Services (D) (N) 15,620 (N) (N) (N) (N) (D) Health Care & Social Assistance 7,786 (D) 231,068 (D) 13,687 (D) (D) 8,024 Arts, Entertainment, & Recreation (D) (D) 18,265 (N) 239 (D) (D) 70 Accommodation & Food Services 1,441 365 74,466 938 6,203 435 3,421 1,587 Other Services 1,403 117 80,968 889 3,587 1,054 854 2,046 Total Payroll 29,789 1,810 2,505,343 17,235 73,456 28,271 33,826 60,094 Total Employees 2,126 247 62,373 1,227 3,102 810 1,909 2,509

1-10

Table 1.1-3 (cont.) 2007 County Payroll by Category ($1000) Category Schleicher Scurry Sterling Sutton Tom Green Upton Ward Winkler

Forestry, Fishing, Hunting, and Agricultural Support (D) (D) (N) (N) 1,530 (N) (N) (N) Mining 6,472 43,367 3,492 12,339 24,756 16,825 58,909 25,769 Utilities (D) (D) (D) (D) 10,978 (D) 10,057 (D) Construction (D) 21,199 (D) 11,804 68,523 (D) 6,300 10,101 Manufacturing (D) 7,562 (N) (D) 120,060 (D) (D) (D) Wholesale Trade 985 8,810 (D) 6,251 43,959 1,394 4,726 (D) Retail Trade 917 14,668 297 3,090 134,488 1,329 5,873 3,476 Transportation and Warehousing (D) 14,126 (D) 6,508 18,558 2,645 5,867 4,363 Information (D) (D) (N) (D) 80,093 (D) (D) (D) Finance and Insurance 663 6,228 (D) 2,710 49,833 (D) 3,210 1,374 Real Estate, Rental, and Leasing (N) 5,120 (N) 1,496 15,654 (D) 4,198 (D) Professional, Scientific and Technical Services 127 4,717 (D) 596 53,239 134 1,268 292 Management of Companies and Enterprises (N) (D) (N) (N) 13,396 (N) (D) (N) Admin, Support, Waste Mgmt, Remediation Services (D) (D) (N) (D) 54,058 (D) (D) (D) Educational Services (N) (N) (N) (N) 3,222 (D) (N) (N) Health Care & Social Assistance 2,154 13,841 91 (D) 259,683 3,965 7,070 3,565 Arts, Entertainment, & Recreation (D) 418 (N) (D) 6,957 (D) (D) (D) Accommodation & Food Services 135 5,762 (D) 2,753 52,735 549 1,968 946 Other Services 308 7,123 112 862 37,410 91 2,798 3,896 Total Payroll 11,761 152,941 3,992 48,409 1,049,132 26,932 112,244 53,782 Total Employees 593 5,049 163 1,426 37,196 892 3,617 1,533 Notes: Data are from U.S. Census Bureau 2007 economic data3

D = Data withheld to avoid disclosing data for individual companies

N = Data not available

Pecos

Reeves

Crockett

Terrell

Irion

Sutton

Gaines

Brewster

Upton

Kimble

Coke

Andrews

Ector

Ward

Jones

Nolan

Reagan

Taylor

BrownColeman

Tom Green

Fisher

Mason

Martin

CraneConcho

Scurry

Runnels

Schleicher

Borden

Menard

Sterling

Howard

MidlandWinkler

Mitchell

Dawson

Gillespie

Jeff Davis

McCulloch

Callahan

Kerr

Loving

Val Verde

San Saba

Edwards

Glasscock

Eastland

Llano

StephensShackelford

FN JOB NOC

MD

07215FILER

egionFPayroll.m

xdDATE

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1.1-44055 International Plaza, Suite 200Fort W

orth, TX 76109 - 4895Phone - (817) 735 - 7300

Region FTotal County Payrolls

(2007)

January 4, 2010

/ Area of Enlargement

10 0 10 20 30Miles

o

Legend

$100,000 - $500,000

$0 - $100,000

$500,000 - $1,000,000

County Payrolls (thousands)

> $2,000,001

$1,000,000 - $2,000,000

Source: 2007 Economic Census, US Census Bureau

Not available

Chapter 1 Description of Region Region F November 2010

1-12

1.1.2 Water-Related Physical Features in Region F

Most of Region F is in the upper portion of the Colorado Basin and in the Pecos portion of

the Rio Grande Basin. A small part of the region is in the Brazos Basin. Figure 1.1-1 shows the

major streams in Region F, which include the Colorado River, Concho River, Pecan Bayou, San

Saba River, Llano River and Pecos River.

Figure 1.1-5 shows the average annual precipitation in Texas. In Region F, precipitation

increases from slightly more than 11 inches per year in western Reeves County to approximately

30 inches per year in Brown County. Figure 1.1-6 shows average annual runoff, which follows a

similar pattern of increasing from the west to the east.4 Figure 1.1-7 shows gross reservoir

evaporation in Texas, which generally increases from northeast to southwest.5

Figure 1.1-8

(Gross reservoir

evaporation is the amount lost to evaporation from the surface of a reservoir.) Some of the

highest evaporation rates in the state are in Region F, exceeding rainfall throughout the region.

The patterns of rainfall, runoff, and evaporation result in more abundant water supplies in the

eastern portion of Region F.

shows the variations in annual streamflow for seven U.S. Geological Survey

(USGS) streamflow gages in Region F.6

Figure 1.1-9

The five gages on tributaries have watersheds with

limited development and show the natural variation in streamflows in this region. The Colorado

gage near Winchell is the most downstream gage on the main stem of the Colorado River in

Region F. Flows at the Pecos River gage near Girvin are largely controlled by releases from Red

Bluff Reservoir. shows seasonal patterns of median streamflows for the same seven

gages.

Table 1.1-4 lists the 17 major water supply reservoirs in Region F, all of which are shown in

Figure 1.1-1. These reservoirs provide most of the region’s surface water supply. Reservoirs are

necessary to provide a reliable surface water supply in this part of the state because of the wide

variations in natural streamflow. Reservoir storage serves to capture high flows when they are

available and save them for use during times of normal or low flow.

1-16

Table 1.1-4 Major Water Supply Reservoirs in Region F

a

Reservoir Name Basin Stream County(ies) Water Right

Number(s)

Priority Date

Permitted Conservation

Storage (Acre-Feet)

Permitted Diversion (Acre-Feet per Year)

Year 2006 Use

(Acre-Feet per Year)

Owner Water Rights Holder(s)

Lake J B Thomas Colorado Colorado River Borden and Scurry CA-1002 08/05/1946 204,000 30,000 15,398 c CRMWD CRMWD

Lake Colorado City Colorado Morgan Creek Mitchell CA-1009 11/22/1948 29,934 5,500 38

TXU b

TXU Champion Creek Reservoir Colorado Champion

Creek Mitchell CA-1009 04/08/1957 40,170 6,750 TXU TXU

Oak Creek Reservoir Colorado Oak Creek Coke CA-1031 04/27/1949 30,000 10,000 95 City of Sweetwater City of Sweetwater Lake Coleman Colorado Jim Ned Creek Coleman CA-1702 08/25/1958 40,000 9,000 1,513 City of Coleman City of Coleman E V Spence Reservoir Colorado Colorado River Coke CA-1008 08/17/1964 488,760 50,000 14,048 c CRMWD CRMWD

Lake Winters Colorado Elm Creek Runnels CA-1095 12/18/1944 8,347 1,755 0 City of Winters City of Winters Lake Brownwood Colorado Pecan Bayou Brown CA-2454 09/29/1925 114,000 29,712 13,678 Brown Co. WID Brown Co. WID Hords Creek Lake Colorado Hords Creek Coleman CA-1705 03/23/1946 7,959 2,240 262 COE City of Coleman Lake Ballinger Colorado Valley Creek Runnels CA-1072 10/04/1946 6,850 1,000 197 City of Ballinger City of Ballinger

O. H. Ivie Reservoir Colorado Colorado River Coleman,

Concho and Runnels

A-3866 P-3676 02/21/1978 554,340 113,000 42,954 CRMWD CRMWD

O. C. Fisher Lake Colorado North Concho River Tom Green CA-1190 05/27/1949 80,400

80,400 NA COE Upper Colorado River Authority

Twin Buttes Reservoir Colorado South Concho

River Tom Green CA-1318 05/06/1959 170,000 29,000 NA U.S. Bureau of

Reclamation City of San Angelo

Lake Nasworthy Colorado South Concho River Tom Green CA-1319 03/11/1929 12,500 25,000 NA City of San Angelo City of San Angelo

Brady Creek Reservoir Colorado Brady Creek McCulloch CA-1849 09/02/1959 30,000 3,500 0 City of Brady City of Brady

Red Bluff Reservoir Rio Grande Pecos River Loving and Reeves CA-5438 01/01/1980 300,000 292,500 9,194

Red Bluff Water Power Control

District

Red Bluff Water Power Control

District

Lake Balmorhea Rio Grande Toyah Creek Reeves A-0060 P-0057 10/05/1914 13,583 41,400 14,863 Reeves Co WID #1 Reeves Co WID #1

Total 2,130,843 730,757 112,241 a Data are from TCEQ active water rights list, TCEQ water rights permits,7 and TCEQ historical water use by water right.8

b Use is total consumptive use from both Champion Creek Reservoir and Lake Colorado City. Year 2006 use is consumptive.

c Total consumptive use for CA 1002 and CA 1008 limited to 73,000 ac-ft per year. CA Certificate of Adjudication A Application P Permit COE Corps of Engineers NA – Data Not Available

Mon

umen

t Dra

w

Colorado River

Pecos Ri v e r

San Saba River

Brady Creek

Llano R iver

Howa

rd Dr

aw

Beals Creek

Salt Dra w

Pecan Bayou

North Concho River

B ig Can

yon

Devi ls Riv er

Coya

nos D

raw

Co ncho River

John

son D

raw

Barri

lla D

raw

Bull Creek

Leon

Cre

ek

J im Ned Creek

Dove

Cre

ek

Gran

ger D

raw

Cherry Creek

Mustang Draw

Deep Creek

Nineteen Draw

Midland Draw

Monument Draw

Monaha ns Draw

Home Creek

Centralia Draw

Sixshooter Draw

Live Oak C reek

Morgan Creek

Midd le Conch o River

Toya

h Cre

ek

Kicka

poo C

reek

Land

reth

Draw

Valley Creek

Buckhorn Draw

Oak Creek

Teep

ee D

raw

Fourmile Draw

Ninemi le

Draw

Tunas Creek

Hords Creek

Court

ney C

reek

Five

mil e

Cre

ek

S alt C

reek

S terling Creek

Elm

Cre

ek

Laz y Creek

Dry Creek

Cavett Creek

Pecan Creek

San Mart

ine Draw

Coman

che C

reek

M oss C

ree

k

E pps Creek

Harral Draw

China Draw

Sout

h Co

ncho

Rive

r

Grape Creek

East

Fork

Bear Creek

West F

ork

Aceb

uche

Dra

w

Cottonwood Creek

James

Rive

r

Middle Valley ProngNorth Va lley Prong

Poor Hollow

Sulphur Springs Draw

Cow

Cree

k

Mulb

erry Creek

Ninemile Creek

Big Saline Creek

Eightmile Draw

West Rocky Creek

Dunbar Draw

Big Jim Draw

Las M

oras C

reek

Schneeman Draw

Big S i lver

Cre

ek

Mayna

rd C

reek

Independence Creek

Brazos River

McKenzie Draw

C olorado River

Johnson Draw

Bull Creek

Deep

Cre

ek

Pecos Rive r

Midland

San Angelo

Odessa

Big Spring

Monahans

O H IVIE RESERVOIR

LAKEJ B THOMAS

RED BLUFF RESERVOIR

TWIN BUTTES RESERVOIR

O C FISHER LAKE

E V SPENCE RESERVOIR

IMPERIAL RESERVOIR

PECOS

REEVES

CROCKETT

IRIONUPTON

SUTTON

KIMBLE

COKE

ANDREWS

REAGAN

WARD

COLEMANECTOR

TOM GREEN

MASON

BROWN

MARTIN

CRANE

CONCHO

RUNNELS

SCURRYBORDEN

MENARD

SCHLEICHER

MIDLAND

HOWARD MITCHELL

STERLINGWINKLER

LOVING

McCULLOCH

GLASSCOCK

Region FAnnual Streamflow

Figure 1.1-8

0 20 40 60

Miles

Legend

Counties

Streams/Rivers

±

*

* Natural Dam Lake, which is above the Beals Creek gage, spilled intermittantly during 1986 and 1987. Natural Dam has subsequently been improved so that spills from the lake will not reoccur.

Chapter 1 Description of Region Region F November 2010

1-19

Figure 1.2-1 shows major aquifers in Region F, and Figure 1.2-2 shows the minor aquifers.

There are 11 aquifers that supply water to the 32 counties of Region F. The major aquifers are

the Edwards-Trinity Plateau, Ogallala, Pecos Valley and a small portion of the Trinity. The

minor aquifers are Dockum, Hickory, Lipan, Ellenberger-San Saba, Marble Falls, Rustler and the

Capitan Reef Complex. A small portion of the Edwards-Trinity High Plains extends into Region

F but is not a major source of water. More information on these aquifers may be found in

Chapter 3.

1.2 Current Water Uses and Demand Centers in Region F Table 1.2-1 shows the total water use by county in Region F from 1997 through 2006. (Year

2006 data are the most recent available.)9 Table 1.2-2 shows water use for the same period by

TWDB use category and Figure 1.2-3 is a graph of the same data. Water use in Region F

decreased somewhat between 1997 and 2003 and has increased in recent years. Most of these

trends in water use are associated with irrigation. This may be attributed in part to changes by the

TWDB in the reporting of irrigated agriculture water use after year 2000. Some of these changes

include reporting of delivery losses associated with surface water irrigation systems, source of

data for irrigated acreages (previous reporting was based on surveys by the Natural Resources

Conservation Service and Texas Agricultural Statistics Service, while recent data is provided by

the Farm Service Agency and local districts), and types of crops included for water use

estimates. In addition to these factors, irrigated agriculture is subject to water use fluctuations

due to availability of surface water, economic factors and government programs.

Table 1.2-3 shows water use by category and county in 2006, and Figure 1.2-4 shows the

distribution of water use by county in the region. About 70 percent of the current water use in

Region F is for irrigated agriculture. Municipal supply is the second largest category, followed

by mining, steam electric power generation, livestock watering, and manufacturing.

The data in Table 1.2-3 and Figure 1.2-4 lead to the following observations about year 2006

water use in Region F:

• The areas with the highest water use are Reeves, Pecos, Tom Green, Midland and Glasscock

Counties, accounting for over half of the total water used in the region.

PECOS

REEVES

CROCKETT

IRIONUPTON

SUTTON

COKE

KIMBLE

ANDREWS

REAGANWARD

ECTOR

TOM GREEN

COLEMAN BROWN

MASON

MARTIN

CONCHOCRANE

RUNNELS

SCURRYBORDEN

MENARDSCHLEICHER

HOWARD

MIDLAND STERLING

MITCHELL

WINKLERLOVING

McCULLOCH

GLASSCOCK

FN JOB NOC

MD

07215FILERegionF_M

ajAquifers.mxd

DATE

SCALE1:2,420,500

DESIGNEDBM

EDRAFTED

BME FIGURE

1.2-14055 International Plaza, Suite 200Fort W

orth, TX 76109 - 4895Phone - (817) 735 - 7300

Region F

Major Aquifer MapJanuary 4, 2010

/ Area of Enlargement

10 0 10 20 30Miles

o

Legend

Pecos Valley

Trinity

Major Aquifers

Ogallala

Source: Texas Water Development BoardOutcropDowndip

Edwards-Trinity (Plateau)